Compilare: user.cpp: In function ‘int main()’: user.cpp:47:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<l[x].size();i++) ^ user.cpp:74:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<li[x].size();i++) ^ user.cpp:12:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,n,x,y; queue <int> q; ^ user.cpp:13:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:15:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&dur[i]); ^ user.cpp:18:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&x); ^ user.cpp:22:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&y); ^